It is required to pass old column name and new column name. 4. If the new column name is not already present in the table, oracle or PL/SQL shall alter the table structure by changing column name. Upon successful execution, the output shall look like this: Table altered. 1  Optional step: desc table-name.2  Run this command again to confirm the change in column name.t is required to pass old column name and new column name. 4. If the new column name is not already present in the table, oracle or PL/SQL shall alter the table structure by changing column name. Upon successful execution, the output shall look like this: Table altered. 1  Optional step: desc table-name.
Holes in the tubing allow small molecules such as glucose, salt and urea to diffuse out into a bath of water, salts and glucose, while leaving behind the proteins such as albumin in the blood. Dialysis. A process of filtering and removing waste products from the bloodstream. Two main types are hemodialysis and peritoneal dialysis. In hemodialysis, the blood flows out of the body into a machine that filters out the waste products and routes the cleansed blood back into the body. In peritoneal dialysis, the cleansing occurs inside the body.
The urinary system filters metabolic waste from the blood and excretes them as part of urine. Blood containing metabolic waste is transported to the kidney by the renal vein; the renal artery removes blood from the kidney once the waste has been removed.